O-RING, FOR CASING COVER, PART NO. 450 FOR JOCKEY PUMP, MODEL: DMS 5040-4S, EQUIPMENT MAKE: PATTERSON PUMP COMPANY LTD.

The impact of the 4D printer on the international market
The most obvious advantage of 4D printing is that objects larger than printers can be printed as just one part. Because they can shrink and unfold, items that are too large to fit in a printer can be compressed and then become full size.